Ammonium exchange and bioregeneration of bio-flocculated zeolite in a sequencing batch reactor |
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| Authors: | Jin-Young Jung Daewon Pak Hang-Sik Shin Yun-Chul Chung Sang-Min Lee |
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| Affiliation: | (1) Water Environment Research Center, Korea Institute of Science and Technology, P.O.Box 131, Cheongryang, Seoul , 130-650, Korea;(2) Department of Civil Engineering, Korea Advanced Institute of Science and Technology, 373-1, Kusong-Dong, Yusong-Gu, Taejon, 305-701, Korea |
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| Abstract: | ![]()
Natural zeolite was added to the sequencing batch reactors to assess its role in ammonium exchange. Even though the biofilm was fully developed on the zeolite surface, ammonium removal and the biological regeneration of the zeolite occurred constantly during the anoxic-fill phase and the reaction phase, respectively. However, the specific nitrification rate of the bio-flocculated zeolite was lower than that observed in the control on account of the limited ammonium release to the liquid phase. |
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| Keywords: | ammonium exchange biofilm bioregeneration specific nitrification rate zeolite |
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